Thanks to this world map that shows the density of people with the surname Iluna in different countries, you can get an idea not only of the popularity of the surname Iluna in each country but also of the different migrations of people surnamed Iluna.
The quantity of people with the surname Iluna that we can find in each country can help us discern the origin of the surname Iluna, as logic tells us that the place with the most people surnamed Iluna will be the country or area of origin of the surname Iluna.